设置网站运行时间

网站运行时间计算一

代码语言：javascript

复制


/**
 * 底部运行时间计算（记得设置html<span id="old-now"></span>）
 */
function showDatetime() {
  window.setTimeout("showDatetime()", 1000);
  let BirthDay = new Date("08/01/2019 00:00:00");
  let today = new Date();
  let timeold = (today.getTime() - BirthDay.getTime());
  let sectimeold = timeold / 1000;
  secondsold = Math.floor(sectimeold);
  let msPerDay = 24 * 60 * 60 * 1000;
  let e_daysold = timeold / msPerDay;
  let daysold = Math.floor(e_daysold);
  let e_hrsold = (e_daysold - daysold) * 24;
  let hrsold = setZero(Math.floor(e_hrsold));
  let e_minsold = (e_hrsold - hrsold) * 60;
  let minsold = setZero(Math.floor((e_hrsold - hrsold) * 60));
  let seconds = setZero(Math.floor((e_minsold - minsold) * 60));
  document.querySelector('#old-now').innerHTML = "&nbsp已运行&nbsp;" + daysold + "&nbsp天&nbsp" + hrsold + "&nbsp小时&nbsp" + minsold + "&nbsp分&nbsp<strong style='color:#A52A2A'>" + seconds + "</strong>&nbsp秒";
}
/**

归零
@param {Integer} nothing。

*/

function setZero(i) {

if (i < 10) {

i = "0" + i;

}

return i;

}

网站运行时间计算二

代码语言：javascript

复制



function createTime() {

var now = new Date();

var run = new Date("05/28/2018 20:01:01");

//总秒数

var runTime = (now - run) / 1000,

days = Math.floor(runTime / 60 / 60 / 24),

hours = Math.floor(runTime / 60 / 60 - (24 * days)),

minutes = Math.floor(runTime / 60 - (24 * 60 * days) - (60 * hours)),

seconds = Math.floor((now - run) / 1000 - (24 * 60 * 60 * days) - (60 * 60 * hours) - (60 * minutes));

//前置零

if (String(hours).length === 1) {

hours = "0" + hours;

}

if (String(minutes).length === 1) {

minutes = "0" + minutes;

}

if (String(seconds).length === 1) {

seconds = "0" + seconds;

}

/*document.querySelector(".run-times").innerHTML = days + "&thinsp;天&thinsp;" + hours

+ "&thinsp;时&thinsp;" + minutes + "&thinsp;分&thinsp;" + seconds + "&thinsp;秒";

*/

document.querySelector(".run-times").innerHTML = "RunTime: " + days + "," + hours

+ ":" + minutes + ":" + seconds + "";

}
//setInterval("createTime()", 500);

if (!document.hidden) {

var siteTime = setInterval("createTime()", 500);

} else {

clearInterval(siteTime);

}
/**

HTML写法

<span class="run-times" title="网站运行时间">载入中...</span>

<p class="run-times" title="主页运行时间">RunTime Loading...</p>

*/